Who were the main supporters of the federalists in the newly emerged two-party system?

Explanation:

By 1790, Hamilton began building an across the nation alliance. Understanding the requirement for vocal political help in the states, he shaped associations with similarly invested patriots and utilized his system of treasury specialists to connect together companions of the legislature, particularly merchants and bankers, in the new country's dozen noteworthy urban areas.

His endeavors to oversee governmental issues in the national money to get his arrangements through Congress "brought solid" reactions the nation over. Simultaneously, what started as a capital group before long accepted status as a national group and afterward as the new Federalist Party. The Federalist Party upheld Hamilton's vision of a solid brought together government and concurred with his recommendations for a national bank and substantial government endowments.

the mexican-american war was a conflict between the united states and mexico, fought from april 1846 to february 1848.